Drive or Fly: Westmont, CA to San Jose, CA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for HHR–SJC. At 348 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

6h 36m

Distance

348.2 mi

Total Cost

$112

CO2

141 kg

Cost Breakdown

Diesel$77

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

2h 57m

37m in the air

Air Distance

309 mi

Total Cost

$187

CO2

79 kg

Door-to-Door Timeline

Westmont, CA → HHR 10m

Check-in & Security 90m

Flight 37m

Arrival & Baggage 30m

SJC → San Jose, CA 10m

Cost Breakdown

Ticket (1 pax @ $132) $132

Rental car (1 day)$55

Airports

Westmont, CA HHR — Jack Northrop Field Hawthorne Municipal Airport 2 mi, ~10m drive

San Jose, CA SJC — Norman Y. Mineta San Jose International Airport 3 mi, ~10m drive

No scheduled flights found

No commercial flights between HHR and SJC. Flight estimates above are theoretical.

+ Saves about 3h 39m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

11h 35m

9h 55m on rail

Total Cost

$61

CO2

20 kg

Route

Coast Starlight

Door-to-Door Timeline

Westmont, CA → Los Angeles 30m

Boarding 30m

Train ride 595m

Arrival 10m

San Jose → San Jose, CA 30m

Cost Breakdown

Ticket (1 pax @ $61) $61

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Los Angeles 0 mi, ~30m drive

To San Jose 0 mi, ~30m drive

Service

Direct

Frequency

~1/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ Scenic views along the route

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 1 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

Bus

FlixBus

Door to Door

9h 15m

7h 50m on road

Total Cost

$34

CO2

20 kg

Door-to-Door Timeline

Westmont, CA → Huntington Park (UHP) 30m

Boarding 15m

Bus ride 470m

Arrival 10m

San Jose Diridon Station (SJO6) → San Jose, CA 30m

Cost Breakdown

Ticket (1 pax @ $34) $34

Estimated based on distance. Check flixbus.com for current prices.

Stations

From UHP — Huntington Park 0 mi, ~30m drive

To SJO6 — San Jose Diridon Station 0 mi, ~30m drive

Service

Direct

Frequency

~7/week

+ Usually the cheapest option

+ Wi-Fi and power outlets on board

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 7 trips per week

− Travel time longer than driving

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train	Bus
Door-to-door time	6h 36m	2h 57m	11h 35m	9h 15m
Total cost (1 person)	$112	$187	$61	$34
Carbon footprint	141 kg CO₂	79 kg CO₂	20 kg CO₂	20 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Transit: Amtrak GTFS, FlixBus GTFS — fares estimated

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 18, 2026.

Decided to drive? See the full trip plan from Westmont, CA to San Jose, CA with stops, fuel costs, and turn-by-turn directions.